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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009064223369 1,958 digits created 2026-08-09

Value

21052293256673710942200099659873960237509911770542581044553585319329076118637046482340085838999490818089551601892334271091758465270787271652516417700466252232282898848533602107988563991426750027570591713145630449396361482754052448231815575751897782589685369955010357886827395116017021330951900605546579963434737777678001615500570445765605593407462206437694287191696006998783502779420462093981633702799987518006185737894479284641652998741349147982244393422751991319340446245271799144151711321637765342878324827806319810965309977481981844011164717510888228483261740804261140560375801318373881494133031377776955636968534130231525455548840201106825901716120901958278988490516171824071103631952205634992269175749291631897438546060667823390638559256900258247872104287511979030729373558696560752132701514124687412699629075680663840874942102385174473985889272076450206923440196955028686276583953645255506227148505148555334286303195211810592850376048744577119496980656670758005763844583930301535319153591426104829247038383442178680438068826291522896227329895687564585053970164725601263277766478668638424922451734592341980314148080530181760304367833824318254126391655061844468105852039882984319928045632245799680124979562424697285125298149562825993038109715867925165450278844194839485533304697417466816321790540518755018403126352142969404827722300385017925258470689222662890584597528593195720563902468038584663561972749772971199586614551558173066969374493433879085351880725305681729977523745901320190905482307272018520829513056931499589334220916487952589265896282556285101894240281779577358776336828897020509202377352555050548605088127090022247285082128283333012822010189389899497602353056011248526268578451345306848138813042589368439804922787771449124406560631253633196537908976694254892459656528403934217100183949345470517321048414060582511245896442043289117433884125549790437350680679540912082432441112260635232521723454736521366972501794463848847881125024537338757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 2,290-digit prime (171 intermediate primes).

Certified number2,290-digit prime
Certificatedownload
Certificate chainshow step 25 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009064223369 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009064223369},"decimal":true,"detail":2}}'